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dmx Lighting Protocol
Motor with variable speed control?
I'm looking for a motor that has variable speed control which could be used to control a Disco Ball.
I know that "American DJ" makes a motor, but it only works with the DMX lighting protocol which I don't have and is total overkill for my needs anyway.
1. Does anyone know of a motor that exists other than American DJ's?
2. If not, can a motor be customized and built for under $100?
3. Finally, can anyone provide a URL to an motor manufacture or electronics surplus store that might answer any of these questions?
I should add that using a potentiometer / rheastat (light dimmer) will NOT work with the existing motor I already own.
Thanks
Here's a URL to the existing motor I already own:
http://cgi.ebay.com/Laurel-AC-Powered-Disco-Mirror-Ball-Motor-NEW_W0QQitemZ160170756171QQihZ006QQcategoryZ85862QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
You state that you have a motor already. So I'll put my reply into a couple of different parts.
1) If your motor is an AC motor, the only way to properly vary the speed of an AC motor is with a variable speed motor drive. Toshiba makes some small ones (under 1 HP). But you have to manually set them and control them. They are digital.
2) If your motor is a DC motor, a variable DC voltage source is what you require.
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